I would say you don't if your company is using the OSHA ETS as justification. Here's the first point from my post on this subject.
On November 12, an Appeals Court reaffirmed the stay on the Biden Administration’s push for this mandate, therefore, no employer in the United States is legally able to cite OSHA's recent ETS as justification for forced vaccination, testing, or mandating face coverings in the workplace, neither is any individual state OSHA agency. This stay applies nationwide, not just to the states covered by the 5th Circuit Court.
I would say you don't if your company is using the OSHA ETS as justification. Here's the first point from my post on this subject.